HPE 5920 series

216
The router lifetime in RA messages must be greater than or equal to the advertising interval.
Examples
# Set the router lifetime in RA messages on VLAN-interface 100 to 1000 seconds.
<Sysname> system-view
[Sysname] interface vlan-interface 100
[Sysname-Vlan-interface100] ipv6 nd ra router-lifetime 1000
Related commands
ipv6 nd ra interval
ipv6 nd router-preference
Use ipv6 nd router-preference to set a router preference in RA messages.
Use undo ipv6 nd router-preference to restore the default.
Syntax
ipv6 nd router-preference { high | low | medium }
undo ipv6 nd router-preference
Default
The router preference is medium.
Views
Interface view
Predefined user roles
network-admin
Parameters
high: Sets the router preference to the highest setting.
low: Sets the router preference to the lowest setting.
medium: Sets the router preference to the medium setting.
Usage guidelines
A hosts selects a router with the highest preference as the default router.
When router preferences are the same in RA messages, a host selects the router corresponding to
the first received RA message as the default gateway.
Examples
# Set the router preference in RA messages to the highest on VLAN-interface 100.
<Sysname> system-view
[Sysname] interface vlan-interface 100
[Sysname-Vlan-interface100] ipv6 nd router-preference high
ipv6 neighbor
Use ipv6 neighbor to configure a static neighbor entry.
Use undo ipv6 neighbor to remove a static neighbor entry.